Results 61 to 70 of about 4,303,458 (400)

Radiolysis of ammonia-containing ices by energetic, heavy and highly charged ions inside dense astrophysical environments [PDF]

open access: yes, 2009
Deeply inside dense molecular clouds and protostellar disks, the interstellar ices are protected from stellar energetic UV photons. However, X-rays and energetic cosmic rays can penetrate inside these regions triggering chemical reactions, molecular ...
Balanzat, E.   +6 more
core   +3 more sources

The G292.0+1.8 pulsar wind nebula in the mid-infrared

open access: yes, 2009
G292.0+1.8 is a Cas A-like supernova remnant that contains the young pulsar PSR J1124-5916 powering a compact torus-like pulsar wind nebula visible in X-rays. A likely counterpart to the nebula has been detected in the optical VRI bands.
A. A. Danilenko   +22 more
core   +1 more source

TeV Gamma–Ray Absorption and the Intergalactic Infrared Background [PDF]

open access: bronzeSymposium - International Astronomical Union, 2001
In this paper, I will take a synoptic approach to determining the intergalactic infrared radiation field (IIRF). This approach draws on both the multi-TeV γ-ray observations and the infrared background observations and relates them via the semi-empirical modelling method of Malkan & Stecker.
F. W. Stecker
openalex   +4 more sources

The Infrared and X-Ray Continua of Quasars: Is there a Connection ? [PDF]

open access: yesSymposium - International Astronomical Union, 1989
The first Einstein IPC X-ray spectra of quasars had slopes similar to their infrared spectra (Elvis et al. 1986) suggesting that the infrared and x-ray continua of quasars might be two ends of a single power-law extending over at least 4 decades of the electromagnetic spectrum.
Martin Elvis   +2 more
openaire   +1 more source

Infrared properties of serendipitous X-ray quasars [PDF]

open access: yesThe Astronomical Journal, 1982
Near-infrared measurements have been obtained of 30 quasars originally found serendipitously as x-ray sources in fields of other objects. The observations show that the infrared characteristics of these quasars do not differ significantly from those of quasars selected by other criteria.
Neugebauer, G.   +4 more
openaire   +4 more sources

Effect of infrared belt and hot water bag on labor pain intensity among primiparous: a randomized controlled trial

open access: yesBMC Pregnancy and Childbirth, 2023
Background Labor pain is complex, paradoxical and varied in every parturient woman. Management of labor pain has been a crucial component in maternity care. Heat therapy is one of the proposed method for labor pain relief.
Fatemeh Dastjerd   +5 more
doaj   +1 more source

The Infrared-X-ray continuum correlation in Active Galactic Nuclei

open access: yes, 2003
The correlation between the soft X-ray and near infrared emission from AGN is analysed using composite models by the code SUMA. We find new evidences for differences in ranges of parameters which characterize the NLR of Seyfert galaxies and LINERs ...
Campos, P. E.   +2 more
core   +2 more sources

Gamma-ray burster counterparts - Infrared

open access: yesThe Astrophysical Journal, 1987
The discovery of an IR counterpart to a gamma-ray burster (GRB) would be a big step forward in understanding this enigmatic phenomenon. A program of searching for IR emission from the smallest GRB source regions has been initiated. Seven boxes have been searched with ground-based telescopes at a wavelength of 2.2 microns and 23 with the IRAS data base ...
C. Barat   +13 more
openaire   +2 more sources

The X-ray emission of local luminous infrared galaxies [PDF]

open access: yesAstronomy & Astrophysics, 2011
We study the X-ray emission of a representative sample of 27 local luminous infrared galaxies (LIRGs). The median IR luminosity of our sample is log L_IR/L_sun = 11.2, thus the low-luminosity end of the LIRG class is well represented. We used new XMM-Newton data as well as Chandra and XMM-Newton archive data. The soft X-ray (0.5-2 keV) emission of most
Rieke, George   +8 more
openaire   +3 more sources

The Nova V5584 Sgr: A Short Review

open access: yesActa Polytechnica CTU Proceedings, 2015
The nova V5584 Sgr was discovered during 2009 October. It has been monitored in different domains of the electromagnetic spectrum: optical, infrared and X-rays. The optical and infrared observations suggest that V5584 Sgr is a Fe II nova that formed dust.
R. Poggiani
doaj   +1 more source

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